🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 989

Radius: 13.6

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.61 AU - 0.91 AU

Year: 442 Days

Day: 12.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,769,765 km

• M1: 169,195 km (0.118 R)
• M2: 881,131 km (0.117 R)
• M3: 1,353,562 km (0.102 R)
• M4: 1,859,502 km (0.105 R)
• M5: 2,309,642 km (0.109 R)
• M6: 3,113,132 km (0.111 R)
• M7: 3,849,153 km (0.119 R)
• M8: 4,576,498 km (0.084 R)
• M9: 5,360,241 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.4

Radius: 10.8

Gravity: 5.94 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.98 AU - 1 AU

Year: 657 Days

Day: 12.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,769,765 km

• M1: 134,339 km (0.077 R)
• M2: 517,908 km (0.071 R)
• M3: 953,986 km (0.108 R)
• M4: 1,313,021 km (0.048 R)
• M5: 1,924,726 km (0.062 R)
• M6: 2,428,721 km (0.085 R)
• M7: 3,031,302 km (0.094 R)
• M8: 3,513,156 km (0.117 R)
• M9: 4,456,371 km (0.109 R)
• M10: 5,168,008 km (0.096 R)
• M11: 5,634,005 km (0.059 R)
• M12: 6,692,111 km (0.116 R)
• M13: 7,094,380 km (0.037 R)
• M14: 7,693,818 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.4

Radius: 9.6

Gravity: 7.99 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.83 AU - 2.59 AU

Year: 2191 Days

Day: 7.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,769,765 km

• M1: 119,828 km (0.087 R)
• M2: 445,502 km (0.093 R)
• M3: 1,195,287 km (0.064 R)
• M4: 2,217,639 km (0.03 R)
• M5: 2,910,576 km (0.047 R)
• M6: 4,262,642 km (0.049 R)
• M7: 5,379,390 km (0.115 R)
• M8: 7,157,660 km (0.073 R)
• M9: 8,726,792 km (0.096 R)
• M10: 9,025,838 km (0.095 R)
• M11: 10,852,278 km (0.06 R)
• M12: 11,832,144 km (0.083 R)
• M13: 12,955,475 km (0.12 R)
• M14: 14,936,300 km (0.119 R)
• M15: 16,599,230 km (0.028 R)
• M16: 17,318,646 km (0.119 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 490.2

Radius: 3.4

Gravity: 42.4 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 5.19 AU - 6.85 AU

Year: 9850 Days

Day: 16.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 63,769,765 km

• M1: 83,476 km (0.099 R)
• M2: 197,170 km (0.096 R)
• M3: 1,593,965 km (0.109 R)
• M4: 1,844,691 km (0.06 R)
• M5: 2,138,202 km (0.094 R)
• M6: 2,368,882 km (0.047 R)
• M7: 2,557,525 km (0.057 R)
• M8: 3,206,182 km (0.066 R)
• M9: 3,532,455 km (0.12 R)
• M10: 4,036,300 km (0.093 R)
• M11: 5,666,767 km (0.051 R)
• M12: 6,498,831 km (0.117 R)
• M13: 7,096,773 km (0.066 R)
• M14: 9,064,285 km (0.111 R)
• M15: 17,293,963 km (0.078 R)
• M16: 18,073,816 km (0.086 R)
• M17: 18,655,303 km (0.117 R)
• M18: 18,950,759 km (0.034 R)
• M19: 19,324,455 km (0.065 R)
• M20: 23,335,473 km (0.106 R)
• M21: 41,433,973 km (0.104 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 609.8

Radius: 7.1

Gravity: 12.1 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 6.42 AU - 10.4 AU

Year: 16264 Days

Day: 21.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 63,769,765 km

• M1: 89,460 km (0.042 R)
• M2: 369,208 km (0.101 R)
• M3: 823,387 km (0.113 R)
• M4: 1,273,377 km (0.069 R)
• M5: 1,756,578 km (0.025 R)
• M6: 2,335,522 km (0.113 R)
• M7: 2,613,325 km (0.111 R)
• M8: 2,937,354 km (0.113 R)
• M9: 3,473,363 km (0.102 R)
• M10: 5,775,974 km (0.032 R)
• M11: 6,870,133 km (0.082 R)
• M12: 8,096,386 km (0.087 R)
• M13: 9,949,605 km (0.098 R)
• M14: 11,152,372 km (0.11 R)
• M15: 11,452,465 km (0.106 R)
• M16: 16,938,967 km (0.088 R)
• M17: 20,288,912 km (0.117 R)
• M18: 22,688,462 km (0.101 R)
• M19: 24,055,936 km (0.073 R)
• M20: 26,739,572 km (0.067 R)
• M21: 29,502,196 km (0.115 R)
• M22: 31,485,714 km (0.095 R)
• M23: 32,449,274 km (0.08 R)
• M24: 34,308,626 km (0.119 R)
• M25: 37,832,554 km (0.026 R)
• M26: 40,593,233 km (0.072 R)
• M27: 41,734,216 km (0.114 R)
• M28: 42,167,451 km (0.102 R)
• M29: 42,603,828 km (0.057 R)
• M30: 49,838,231 km (0.101 R)
• M31: 51,974,788 km (0.102 R)
• M32: 55,206,102 km (0.09 R)
• M33: 57,136,812 km (0.074 R)
• M34: 59,112,103 km (0.066 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 476 - 12,595 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit